﻿th,td {
	font-family: Tahoma;
	font-size: 13px;
}
body {
	margin-left: 0px;
	margin-top: 0px;
	margin-right: 0px;
	margin-bottom: 0px;
	background-color: #eff8fd;
}
.menu { 
 border-bottom: 1px solid #fff;  
 text-decoration: none; 
 background: #336699; 
 color: #fff;  
 padding: 0.5em; 
} 
.hover { 
 background: #000; 
} 
.clicked {
 background: #000; 
}
.err {
	color: red;
}
.success {
	font-weight: bold;
	color: green;
	padding: 0.2em;
}
.bangdiem {
	border:1px solid lightgray;
	border-collapse: collapse;
}
.diemkem {
	background: pink;
	opacity: 0.7
}
.chuacodiem {
	background: #FFFF80;	
}
div.scroll {
	height: 200px;
	width: 615;
	overflow: auto;
	border: 1px solid #666;
	background-color: white;
	padding: 8px;
	text-align: justify;
}
.single { 
	margin-bottom: 0; 
	margin-top: 0;  
}